JPWO2020261639A1 - - Google Patents

Info

Publication number
JPWO2020261639A1
JPWO2020261639A1 JP2021527349A JP2021527349A JPWO2020261639A1 JP WO2020261639 A1 JPWO2020261639 A1 JP WO2020261639A1 JP 2021527349 A JP2021527349 A JP 2021527349A JP 2021527349 A JP2021527349 A JP 2021527349A JP WO2020261639 A1 JPWO2020261639 A1 JP WO2020261639A1
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2021527349A
Other languages
Japanese (ja)
Other versions
JPWO2020261639A5 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPWO2020261639A1 publication Critical patent/JPWO2020261639A1/ja
Publication of JPWO2020261639A5 publication Critical patent/JPWO2020261639A5/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
    • G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2506—Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values ; Details concerning sampling, digitizing or waveform capturing
    • G01R19/2509—Details concerning sampling, digitizing or waveform capturing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase ac
    • H01F38/28—Current transformers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase ac
    • H01F38/28—Current transformers
    • H01F38/30—Constructions

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
JP2021527349A 2019-06-27 2020-02-25 Pending JPWO2020261639A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019120590 2019-06-27
PCT/JP2020/007297 WO2020261639A1 (en) 2019-06-27 2020-02-25 Electrical current measurement system, and diagnostic system

Publications (2)

Publication Number Publication Date
JPWO2020261639A1 true JPWO2020261639A1 (en) 2020-12-30
JPWO2020261639A5 JPWO2020261639A5 (en) 2022-03-22

Family

ID=74061641

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021527349A Pending JPWO2020261639A1 (en) 2019-06-27 2020-02-25

Country Status (4)

Country Link
US (1) US20220308093A1 (en)
JP (1) JPWO2020261639A1 (en)
CN (1) CN113874735A (en)
WO (1) WO2020261639A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220244298A1 (en) * 2021-01-29 2022-08-04 Korea University Research And Business Foundation Device and method for extracting electric network frequency

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4209741A (en) * 1978-03-08 1980-06-24 The United States Of America As Represented By The Secretary Of The Interior Apparatus for the continuous monitoring of ground bed resistance
JPH074585Y2 (en) * 1987-05-21 1995-02-01 偕成エンジニア株式会社 Signal detector
JPH10185962A (en) * 1996-10-31 1998-07-14 Sony Corp Current detector
US6614218B1 (en) * 1998-04-22 2003-09-02 Power Electronic Measurements Limited Current measuring device
US7719292B2 (en) * 2007-10-12 2010-05-18 Honeywell International Inc. Method and apparatus for electrochemical corrosion monitoring
CN201229849Y (en) * 2008-06-20 2009-04-29 吉林省电力有限公司电力科学研究院 External integration type Rogowski coil current mutual inductor
JP5414890B2 (en) * 2010-04-14 2014-02-12 三菱電機株式会社 Insulation deterioration diagnosis device
JP5756607B2 (en) * 2010-06-29 2015-07-29 日置電機株式会社 Current measuring device and method for detecting conversion rate of current sensor
JP5698484B2 (en) * 2010-09-27 2015-04-08 日置電機株式会社 Current measuring device
CN201917603U (en) * 2011-01-04 2011-08-03 南京信息工程大学 Coil device for monitoring lightning current waveform
JP6304647B2 (en) * 2012-11-21 2018-04-04 パナソニックＩｐマネジメント株式会社 Current detector
JP6119840B2 (en) * 2013-03-05 2017-04-26 オムロン株式会社 Current sensor, current measuring device, and leakage detection device
US9701327B2 (en) * 2013-07-26 2017-07-11 Alstrom Transport Technologies Current sensor for monitoring a wayside signal lamp for a positive train system
US20150088438A1 (en) * 2013-09-26 2015-03-26 James J. Kinsella Ratio metric current measurement
DE102014215109A1 (en) * 2014-07-31 2016-02-04 Vacuumschmelze Gmbh & Co. Kg Flux gate current sensor with additional frequency measurement
CN104267241A (en) * 2014-10-20 2015-01-07 国网吉林省电力有限公司长春供电公司 High-frequency current partial discharge signal acquisition sensor
JP6423708B2 (en) * 2014-12-18 2018-11-14 日置電機株式会社 Current sensor and measuring device
JP6771179B2 (en) * 2016-05-16 2020-10-21 パナソニックＩｐマネジメント株式会社 Power measurement system

Also Published As

Publication number Publication date
WO2020261639A1 (en) 2020-12-30
US20220308093A1 (en) 2022-09-29
CN113874735A (en) 2021-12-31

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